预埋件构造计算公式

预埋件计算

2基本条件

剪力设计值V (kN)

30.050.050.050.00.00.00.00.00.00.00.0法向拉力N (kN) (压力时为“负”)-1450.0

30.030.030.030.030.030.030.030.030.030.0弯矩设计值M (kN-m)0.050.050.050.050.050.050.050.050.050.050.0砼强度等级3525252525252525252525钢筋强度等级22222222222锚板厚度t (mm)1620202020202020202020锚筋直径d (mm)1520202020202020202020锚筋层数

33333333333锚筋层距b 1 (mm)120120120120120120120120120120120每层锚筋根数34444444444锚筋间距b (mm)

120

150

150

150

150

150

150

150

150

150

150

3计算指标

砼轴心抗压强度f c (N/mm 2

)16.711.911.911.911.911.911.911.911.911.911.9钢筋抗拉强度f y (N/mm 2)300300300300300300300300300300300αr 0.900.900.900.900.900.900.900.900.900.900.90αv 0.660.480.480.480.480.480.480.480.480.480.48αb

0.870.850.850.850.850.850.850.850.850.850.85

4计算结果

计算锚筋面积A s (mm 2

)

02416241624162416241624162416241624162416实配锚筋面积A s (mm 2

)

15913770377037703770377037703770377037703770垂直剪力向锚板最小宽度 (mm)300530530530530530530530530530530沿剪力向锚板最小宽度 (mm)

300320320320320320320320320320320垂直剪力向锚筋最小(大)间距b (mm)45 , 30060 , 30060 , 30060 , 30060606060606060沿剪力向锚筋最小(大)间距b 1 (mm)090 , 300

120 , 300

120 , 300

120 , 300

60606060606060垂直剪力向锚筋最小边缘距c (mm)4560606060606060606060沿剪力向锚筋最小边缘距c 1 (mm)9012012012060606060606060

5结论

锚筋直径构造要求满足满足满足满足满足满足满足满足满足满足满足锚筋面积配置

满足满足满足满足满足满足满足满足满足满足满足锚筋间距b 构造要求满足满足满足满足满足满足满足满足满足满足满足锚筋层距b 1构造要求满足满足满足满足满足满足满足满足满足满足满足锚板厚度构造要求

满足满足满足满足满足满足满足满足满足满足满足MJ2MJ2

MJ2MJ2

MJ2MJ2

MJ2MJ2

MJ2MJ2

MJ1MJ1

MJ2MJ2

MJ2MJ2

位置(编号）

MJ1MJ1

MJ1MJ1

MJ1MJ1